Home / 6,647,187.20-9,970,780.80-4,114,630.40

Finding the Fourth Proportional to 6,647,187.20, 9,970,780.80 and 4,114,630.40

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Solution

The fourth proportional to 6,647,187.20, 9,970,780.80 and 4,114,630.40 is: 6,171,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,187.20 : 9,970,780.80 = 4,114,630.40 : x
  2. Step 2: Convert to fraction form
    6,647,187.20/9,970,780.80 = 4,114,630.40/x
  3. Step 3: Cross multiply
    6,647,187.20x = 9,970,780.80 × 4,114,630.40
  4. Step 4: Simplify right side
    6,647,187.20x = 41,026,077,791,416.32
  5. Step 5: Solve for x
    x = 41,026,077,791,416.32/6,647,187.20
  6. Step 6: Final answer
    x = 6,171,945.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.